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SubjectRe: [PATCH v10 05/12] mm: HUGE_VMAP arch support cleanup
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Le 24/01/2021 à 12:40, Christoph Hellwig a écrit :
>> diff --git a/arch/arm64/include/asm/vmalloc.h b/arch/arm64/include/asm/vmalloc.h
>> index 2ca708ab9b20..597b40405319 100644
>> --- a/arch/arm64/include/asm/vmalloc.h
>> +++ b/arch/arm64/include/asm/vmalloc.h
>> @@ -1,4 +1,12 @@
>> #ifndef _ASM_ARM64_VMALLOC_H
>> #define _ASM_ARM64_VMALLOC_H
>>
>> +#include <asm/page.h>
>> +
>> +#ifdef CONFIG_HAVE_ARCH_HUGE_VMAP
>> +bool arch_vmap_p4d_supported(pgprot_t prot);
>> +bool arch_vmap_pud_supported(pgprot_t prot);
>> +bool arch_vmap_pmd_supported(pgprot_t prot);
>> +#endif
>
> Shouldn't the be inlines or macros? Also it would be useful
> if the architectures would not have to override all functions
> but just those that are it actually implements?
>
> Also lots of > 80 char lines in the patch.
>

Since https://github.com/linuxppc/linux/commit/bdc48fa11e46f867ea4d75fa59ee87a7f48be144
this 80 char limit is not strongly enforced anymore.

Allthough 80 is still the prefered limit, code is often more readable with a slightly longer single
line that with lines splited.

Christophe

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